On the sunny hillside between Sion and Ayent, Grimisuat combines residential villages with a vineyard facing the Alps.
At CHF 5,900 per m², Grimisuat sits near the middle of the Valais scale. Which side of that median your own flat lands on depends more on floor, view and condition than on the address itself. A gap of 7 percent over the Valais median is not statistical noise. It measures what buyers accept to pay for the location itself, and it holds through the cycle instead of appearing in one strong year. Grimisuat ranks 20 out of 67 communes in Valais on flat prices per m². Rankings shift a place or two from one year to the next without anything real changing, so read the band rather than the exact position.
Houses carry a premium of 12 percent per square metre over flats in Grimisuat, CHF 6,600 against CHF 5,900. Households buying a house here are mostly trading up from a flat nearby, so demand holds even when volumes drop. The last twelve months added 3.9 percent in Grimisuat. Rises of this order usually come from a shortage of listings rather than from a wave of new buyers, and they unwind faster than they build.
Within the Sion district, Grimisuat lands 6 percent from the local median. A cantonal average mixes city and countryside, so it flatters some communes and penalises others. The district figure removes most of that distortion. With 33 percent dating from after 2015, Grimisuat has a young housing stock. New buildings hold their value well for the first years, then compete with whatever is completed next door, which is the real risk in a commune that is still building.
The average home in Grimisuat has 4.4 rooms for 137 m². That ratio describes the shape of local demand better than the price does: many small rooms point to family housing, fewer and larger ones to conversions and new build. CHF 5,900 per m² is the working reference for a flat in Grimisuat, 7 percent from Valais. Take it as a starting point: in a commune this size, the spread between the cheapest and the dearest street is often wider than the gap to the canton. From CHF 3,800 to CHF 7,800 per square metre in 25 years, +105 percent in all. The path was not a straight line, and the flat or falling stretches inside it are precisely what a long average hides.
Enough properties change hands in Grimisuat each year to keep the price data steady. Estimates land in a narrower range here, and a valuation can lean on recent comparable sales instead of falling back on the cantonal average. Knowing the median in Grimisuat gets you halfway. The second half is what separates your property from that median: condition, orientation, outside space, parking, and the works still to be done.
Building stock data: Federal Register of Buildings and Dwellings, FSO, updated August 3, 2026
Market data updated on August 24, 2026
A range set against the price levels of your commune and the profile of your property.
Value my property →The median flat in Grimisuat is priced at CHF 5,900 per m². That puts the commune 7 percent from the Valais median, a gap explained in part by the age of the local stock and in part by how little land is left to build on.
Count on roughly CHF 6,600 per m² for a house in Grimisuat. That rate applies to habitable surface, which leaves out the garage, the cellar and any unconverted attic, all of which add value but never at the same rate.
Homes in Grimisuat average 4.4 rooms, with after 2015 the most common construction period at 33 percent. The mix means condition varies a lot from one building to the next, and condition is what pulls two similar flats apart on price.